Hole saw arbor



FIG. 1 is a front, top, and left side perspective view of a hole saw arbor showing our new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear, top, and left side perspective view thereof;

FIG. 9 is a front, bottom, and left side perspective view thereof; and,

FIG. 10 is a rear, bottom, and left side perspective view thereof. 

CLAIM We claim the ornamental design for a hole saw arbor, substantially as shown and described. 